Features (pH meter):
1) Range of measurement: 0.0 - 14.0
2) Range of measuring error: ?.1
3) Gradations: 0.1
4) Temperature compensation: 5 - 50oC
5) Working termperature: 0 - 50oC

Features (EC meter):
1) Range of measurement: 10 - 1990us/cm
2) Accuracy: ?.2%
3) Graduation: 10us/cm
4) Working temperature: 0 - 50oC